2016 Update

Task/Variables/Maple/variables-1.maple

@@ -0,0 +1,3 @@
+a := 1:
+print ("a is "||a);
+                            "a is 1"

Task/Variables/Maple/variables-2.maple

@@ -0,0 +1,10 @@
+b;
+f := proc()
+    local b := 3;
+    print("b is "||b);
+end proc:
+f();
+print("b is "||b);
+                               b
+                            "b is 3"
+                            "b is b"

Task/Variables/Maple/variables-3.maple

@@ -0,0 +1,11 @@
+f := proc()
+    global c;
+    c := 3;
+    print("a is "||a);
+    print("c is "||c);
+end proc:
+f();
+print("c is "||c);
+                            "a is 1"
+                            "c is 3"
+                            "c is 3"

Task/Variables/Maple/variables-4.maple

@@ -0,0 +1,5 @@
+print ("a is "||a);
+a := 4:
+print ("a is "||a);
+                            "a is 1"
+                            "a is 4"

Task/Variables/Maple/variables-5.maple

@@ -0,0 +1,11 @@
+print ("a is "||a);
+type(a, integer);
+a := "Hello World":
+print ("a is "||a);
+type(a, integer);
+type(a, string);
+                            "a is 4"
+                              true
+                       "a is Hello World"
+                             false
+                              true

Task/Variables/Maple/variables-6.maple

@@ -0,0 +1,3 @@
+`This is a variable` := 1:
+print(`This is a variable`);
+                               1

Task/Variables/Maple/variables-7.maple

@@ -0,0 +1,14 @@
+print ("a is "||a);
+type(a, string);
+print("c is "||c);
+a := 'a':
+print ("a is "||a);
+type(a, symbol);
+unassign('c');
+print("c is "||c);
+                       "a is Hello World"
+                              true
+                            "c is 3"
+                            "a is a"
+                              true
+                            "c is c"